Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:19:9: warning: this 'while' clause does not guard... [-Wmisleading-indentation] while(!Q.empty() && sel[Q.top().second]) ^~~~~ main.cpp:21:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while' if(!Q.empty()) ^~